<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>手机号验证</title>
		<script type="text/javascript">
		//	var phoneReg = new RegExp();

			var phoneStr = "13567874690";

			var phoneReg = /^1[3-9][0-9]{9}$/;

			document.write(phoneReg.test(phoneStr));
		</script>
	</head>
	<body>
	</body>
</html>